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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "third_party/blink/renderer/core/svg/svg_script_element.h"
#include "third_party/blink/renderer/bindings/core/v8/html_script_element_or_svg_script_element.h"
#include "third_party/blink/renderer/bindings/core/v8/script_event_listener.h"
#include "third_party/blink/renderer/core/dom/attribute.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/core/frame/csp/content_security_policy.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/core/script/script_loader.h"
#include "third_party/blink/renderer/core/script/script_runner.h"
#include "third_party/blink/renderer/core/xlink_names.h"
namespace blink {
SVGScriptElement::SVGScriptElement(Document& document,
const CreateElementFlags flags)
: SVGElement(svg_names::kScriptTag, document),
SVGURIReference(this),
loader_(InitializeScriptLoader(flags.IsCreatedByParser(),
flags.WasAlreadyStarted())) {}
void SVGScriptElement::ParseAttribute(
const AttributeModificationParams& params) {
if (params.name == html_names::kOnerrorAttr) {
SetAttributeEventListener(
event_type_names::kError,
CreateAttributeEventListener(
this, params.name, params.new_value,
JSEventHandler::HandlerType::kOnErrorEventHandler));
} else {
SVGElement::ParseAttribute(params);
}
}
void SVGScriptElement::SvgAttributeChanged(const QualifiedName& attr_name) {
if (SVGURIReference::IsKnownAttribute(attr_name)) {
SVGElement::InvalidationGuard invalidation_guard(this);
loader_->HandleSourceAttribute(HrefString());
return;
}
SVGElement::SvgAttributeChanged(attr_name);
}
Node::InsertionNotificationRequest SVGScriptElement::InsertedInto(
ContainerNode& root_parent) {
SVGElement::InsertedInto(root_parent);
return kInsertionShouldCallDidNotifySubtreeInsertions;
}
void SVGScriptElement::DidNotifySubtreeInsertionsToDocument() {
loader_->DidNotifySubtreeInsertionsToDocument();
if (!loader_->IsParserInserted())
have_fired_load_ = true;
}
void SVGScriptElement::ChildrenChanged(const ChildrenChange& change) {
SVGElement::ChildrenChanged(change);
loader_->ChildrenChanged();
}
void SVGScriptElement::DidMoveToNewDocument(Document& old_document) {
ScriptRunner::MovePendingScript(old_document, GetDocument(), loader_.Get());
SVGElement::DidMoveToNewDocument(old_document);
}
bool SVGScriptElement::IsURLAttribute(const Attribute& attribute) const {
return attribute.GetName() == AtomicString(SourceAttributeValue());
}
void SVGScriptElement::FinishParsingChildren() {
SVGElement::FinishParsingChildren();
have_fired_load_ = true;
}
bool SVGScriptElement::HaveLoadedRequiredResources() {
return have_fired_load_;
}
String SVGScriptElement::SourceAttributeValue() const {
return HrefString();
}
String SVGScriptElement::TypeAttributeValue() const {
return getAttribute(svg_names::kTypeAttr).GetString();
}
String SVGScriptElement::TextFromChildren() {
return Element::TextFromChildren();
}
bool SVGScriptElement::HasSourceAttribute() const {
return href()->IsSpecified();
}
bool SVGScriptElement::IsConnected() const {
return Node::isConnected();
}
bool SVGScriptElement::HasChildren() const {
return Node::hasChildren();
}
const AtomicString& SVGScriptElement::GetNonceForElement() const {
return ContentSecurityPolicy::IsNonceableElement(this) ? nonce()
: g_null_atom;
}
bool SVGScriptElement::AllowInlineScriptForCSP(
const AtomicString& nonce,
const WTF::OrdinalNumber& context_line,
const String& script_content) {
return GetDocument().GetContentSecurityPolicyForWorld()->AllowInline(
ContentSecurityPolicy::InlineType::kScript, this, script_content, nonce,
GetDocument().Url(), context_line);
}
Document& SVGScriptElement::GetDocument() const {
return Node::GetDocument();
}
Element& SVGScriptElement::CloneWithoutAttributesAndChildren(
Document& factory) const {
CreateElementFlags flags =
CreateElementFlags::ByCloneNode().SetAlreadyStarted(
loader_->AlreadyStarted());
return *factory.CreateElement(TagQName(), flags, IsValue());
}
void SVGScriptElement::DispatchLoadEvent() {
DispatchEvent(*Event::Create(event_type_names::kLoad));
have_fired_load_ = true;
}
void SVGScriptElement::DispatchErrorEvent() {
DispatchEvent(*Event::Create(event_type_names::kError));
}
void SVGScriptElement::SetScriptElementForBinding(
HTMLScriptElementOrSVGScriptElement& element) {
if (!IsInV1ShadowTree())
element.SetSVGScriptElement(this);
}
#if DCHECK_IS_ON()
bool SVGScriptElement::IsAnimatableAttribute(const QualifiedName& name) const {
if (name == svg_names::kTypeAttr || name == svg_names::kHrefAttr ||
name == xlink_names::kHrefAttr)
return false;
return SVGElement::IsAnimatableAttribute(name);
}
#endif
const AttrNameToTrustedType& SVGScriptElement::GetCheckedAttributeTypes()
const {
DEFINE_STATIC_LOCAL(AttrNameToTrustedType, attribute_map,
({
{svg_names::kHrefAttr.LocalName(),
SpecificTrustedType::kTrustedScriptURL},
}));
return attribute_map;
}
void SVGScriptElement::Trace(blink::Visitor* visitor) {
visitor->Trace(loader_);
SVGElement::Trace(visitor);
SVGURIReference::Trace(visitor);
ScriptElementBase::Trace(visitor);
}
} // namespace blink
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